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[MAPREDUCE-4383] HadoopPipes.cc needs to include unistd.h - MapReduce - [issue]
...Since MAPREDUCE-4267 I've seen "mvn -Pnative compile" failing with:     [exec] /usr/bin/c++    -g -Wall -O2 -D_REENTRANT -D_FILE_OFFSET_BITS=64 -I/home/adi/w...
http://issues.apache.org/jira/browse/MAPREDUCE-4383    Author: Andy Isaacson, 2013-04-19, 13:41
[MAPREDUCE-4953] HadoopPipes misuses fprintf - MapReduce - [issue]
...     [exec] /mnt/trunk/hadoop-tools/hadoop-pipes/src/main/native/pipes/impl/HadoopPipes.cc:130:58: warning: format not a string literal and no format arguments [-Wformat-secur...
http://issues.apache.org/jira/browse/MAPREDUCE-4953    Author: Andy Isaacson, 2013-02-06, 12:40
Re: NameNode low on available disk space - MapReduce - [mail # user]
...Moving from general@ to user@.  The general list is not for technical questions, it's to discuss project-wide issues.  On Tue, Jan 22, 2013 at 1:03 PM, Mohit Vadhera  wrote: &...
   Author: Andy Isaacson, 2013-01-22, 21:08
Re: hadoop -put command - MapReduce - [mail # user]
...However, note that DFSShell currently has some issues with percent-encoded characters.  https://issues.apache.org/jira/browse/HDFS-4329  -andy  On Wed, Dec 26, 2012 at 1:35 PM...
   Author: Andy Isaacson, 2013-01-08, 23:05
Re: Some mappers are much slower than others in reading data from HDFS - MapReduce - [mail # user]
...Your output shows that node2 has 13 mappers and the reducer, while node3 and node4 had only 8 mappers each.  So I'd expect some disparity. Since it's hard to correlate the mapper throug...
   Author: Andy Isaacson, 2013-01-08, 21:45
Re: formatting hdfs says could not create jvm - MapReduce - [mail # user]
...On Fri, Dec 14, 2012 at 7:47 AM, anand sharma  wrote:  The instructions say to run "hdfs namenode -format" but you ran "hdfs -format".  Either "hadoop namenode -format" or "hd...
   Author: Andy Isaacson, 2012-12-14, 20:42
Re: HDFS block size - MapReduce - [mail # user]
...On Fri, Nov 16, 2012 at 10:55 AM, Pankaj Gupta  wrote:  Suppose that HDFS stored data in smaller blocks (64kb for example). Then ext4 would have no reason to put those small files ...
   Author: Andy Isaacson, 2012-11-16, 19:53
[expand - 1 more] - Re: Active-Active setup for the namenode - MapReduce - [mail # user]
...Yep, Uma is right, I misunderstood.  HDFS-1623 is "target version: 0.23.3" but did not actually make the 0.23.3 nor 0.23.4 releases, which is why Fix version is 2.0.0-alpha.  Sorry...
   Author: Andy Isaacson, 2012-11-15, 18:49
Re: Optimizing Disk I/O - does HDFS do anything ? - MapReduce - [mail # user]
...On Tue, Nov 13, 2012 at 1:40 PM, Jay Vyas  wrote:  If you're running any filesystem at 99% full with a workload that creates or grows files, the filesystem will experience fragment...
   Author: Andy Isaacson, 2012-11-13, 21:53
Re: hadoop - running examples - MapReduce - [mail # user]
...On Thu, Nov 8, 2012 at 1:48 PM, Kartashov, Andy  wrote:  If you need to change existing data, you do need to write a new file, or delete the old file then re-write it.  So as ...
   Author: Andy Isaacson, 2012-11-08, 23:33
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